package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    List<ShoppingCart> selectByUserId(ShoppingCart shoppingCart);

    @Update("update shopping_cart set number = #{number} where id =#{id}")
    void update(ShoppingCart cart);

    void insert(ShoppingCart shoppingCart);

    @Select("select * from shopping_cart where user_id = #{userId}")
    List<ShoppingCart> selectAllByUserId(Long userId);

    @Delete("delete from shopping_cart where user_id = #{userId}")
    void delete(Long userId);

    void deleteOne(ShoppingCart shoppingCart);

    /**
     * 循环插入
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
